-phagia or -phagysuff. The eating of a specified substance or eating in a specified manner: dysphagia.[Greek -phagi?, from phagein, to eat; see bhag- in Indo-European roots.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.-phagy or -phagia a combining form meaning ?eating,? ?feeding on,? esp. as a practice or means of gaining sustenance: anthropophagy; monophagy. [